Merge pull request #22 from avsm/master

Add Lwt/Monad tutorial
[theme] better syntax highlighting
[content] turn syntax highlighting back on; tweak text
Merge pull request #23 from avsm/master

Default to socket mode for tutorial (simplest version)
[content] add material on static_website and custom stack
Merge pull request #24 from mor1/master

syntax highlighting; network stack material
add tutorial url